1-go 1941
1-go 1944
| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate |
| 第1号掃海艇 [1-go] | Harima, Harima | 1922 | 6.3.1923 | 6.1923 | sunk 10.8.1945 | ||
| 第2号掃海艇 [2-go] | Mitsui, Tamano | 1922 | 17.3.1923 | 6.1923 | sunk 1.3.1942 | ||
| 第3号掃海艇 [3-go] | Hitachi, Sakurajima | 1922 | 29.3.1923 | 6.1923 | sunk 9.4.1945 | ||
| 第4号掃海艇 [4-go] | Sasebo K K | 12.1923 | 24.4.1924 | 4.1925 | captured 8.1945, scuttled 13.7.1946 |
|
Displacement standard, t |
615 |
|
Displacement normal, t |
702 |
|
Length, m |
71.6 pp 74.3 wl 76.3 oa |
|
Breadth, m |
8.03 |
|
Draught, m |
2.29 |
|
No of shafts |
2 |
|
Machinery |
2 VTE, 3 Kampon boilers |
|
Power, h. p. |
4000 |
|
Max speed, kts |
20 |
|
Fuel, t |
coal 186 |
| Endurance, nm(kts) | 3000(10) |
|
Armament |
2 x 1 - 120/45 3-shiki, 1 x 1 - 76/40 11-shiki, mechanical minesweeping gear |
|
Complement |
92 |
Project history: Built under the 1922 programme. First Japanese purpose-built minesweepers.
Modernizations: 1938, all: permanent ballast was added, full displacement was 807t; - 1 x 1 - 76/40.
1944, all survived: - 1 x 1 - 120/45, mechanical minesweeping gear; + 1 x 2 - 25/60 96-shiki, 3 x 1 - 25/60 96-shiki, 2 DCT (36), 2-shiki 2-go or 3-shiki 1-go radar, 93-shiki hydrophone
Naval service: W2 was lost 1.3.1942 on a mine in Bantam Bay, Java. W1 was sunk 10.8.1945 at coast of Japan (Yamada Bay) by US carrier aircraft. W3 9.4.1945 was sunk at coast of Japan (NE off Sendai) by US submarine Parche.
3-go
© Ivan Gogin, 2008-14